SET/V
D27093_e
Operation and installation manual
We reserve the right to any changes.
Copyright © 2010, Labkotec Oy
4(4)
5. OPERATION TEST
Always check the correct operation of the alarm
after the installation and after making the
connections. You should also check the operation
every time the separator is emptied or at least
once a year.
Testing the
operation
1. The sensor is in the air. The
device should be in normal mode
(see chapter 4).
2. Lower the sensing element of the
sensor into the water or oil. The
“Tank full” alarm should be issued
(see chapter 4).
3. Lift the sensor in the air. The
alarm should stop after a while.
Clean the sensor before installing
it into the separator.
If the sensor does not function as described, check
the device settings from the control unit manual or
contact the representative of the manufacturer.
6. SERVICE AND REPAIR
The sensor must be cleaned and tested when
emptying the storage chamber and in connection
with the annual maintenance. A mild detergent
(e.g. washing-up liquid) and a scrubbing brush can
be used for cleaning the sensor, if necessary.
During maintenance procedures (such as
servicing the oil/fuel separator systems), the
sensor should not be lifted out of the
separator tank or installed back until there is
water in the tank.
The instructions concerning the inspection
and maintenance of Ex equipment contained
in standards IEC/EN 60079-17 and IEC/EN
60079-19 should be observed when
executing service, inspection, or repair
procedures.
Fault
alarm
The sensor is broken, there is a sensor
cable break or a short circuit, or the
sensor signal current is not recognized
(digital system).
The sensor circuit Fault indicator is on.
The buzzer sounds
The relays are de-energized.
Figure 5. Installation example in an oil separator.